Merge branch 'release/0.2.39.7' into develop
Guard against invalid database fields
Suspend/resume update timer when playback is stopped
VS2013 and Boost 1.54 fixes
Remove Boost usage from D3D9 frontend
Remove most Boost usage, add regular Asio
Cache deversioning, remove benchmark
Change a noncopyable to member functions
Make own optional type, replace all other
Remove string dependencies
Replace barriers, array, find_first
Add filesystem utilities
Add file glob enumeration helper
Remove utf8 codecvt
Fix enumeration cleanup
Last non-ptree part gone
Merge branch 'feature/unboost' into develop
Inclusive regions for GDI
Invalidate less often
Merge branch 'feature/fix-gdi' into develop